209224587789

素因数分解:

$3^3\times 7^1\times {\mathrm{1107008401}}^1$

素因数の和:1107008417

約数の個数: 16

約数和(自身を含む): 354242688640

約数和(自身を除く): 145018100851

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1107008401, 3321025203, 7749058807, 9963075609, 23247176421, 29889226827, 69741529263, 209224587789]

約数ペア:

[(1, 209224587789), (3, 69741529263), (7, 29889226827), (9, 23247176421), (21, 9963075609), (27, 7749058807), (63, 3321025203), (189, 1107008401)]